When dubbing foreign movies or TV shows in Spanish for an international audience, what dialect or variety of Spanish is typically used? Does it vary, or is there a particular variant that's considered ...

The movie "El Laberinto del Fauno" by Guillermo del Toro was set in Spain, with actors well-known in Spanish film, but was created by a Mexican crew (del Toro is Mexican).
In the movie, a Faun often ...